00613naa a2200205 a 450000100080000000500110000800800410001910000180006024501470007826000090022565000110023465000130024565000150025865000170027365000090029065000140029970000180031370000170033177300590034817999102017-04-25       1987    bl ---       0--  u    #d1 aWRIGHT, H. B.  aEstimation of variance and covariance components to determine heritabilities and repeatability of weaning weight in American Simmental cattle.  c1987  acattle  agenetics  astatistics  aEstatística  aGado  aGenética1 aPOLLAK, E. J.1 aQUAAS, R. L.  tJournal of Animal Sciencegv.65, n.4, p.975-981, 1987.